GCN Circular 19139
GRB 160303A SMA observation Y. Urata (NCU), K.Y Huang (NTNU), and G. Petitpas (SMA) We observed the optical afterglow position of GRB 130303A (Butler et al., GCN Circ. 19131) using the Sub-Millimeter Array (SMA). The observation in 230 GHz band was started at March 3 12:47 (UT) about 1.9 hrs after the burst. Our preliminary analysis shows no counterpart brighter than 2.4 mJy (3-sigma).